What is SIM binding? How will it affect your usage for WhatsApp, Telegram and other messenger apps

The Department of Telecommunications (DoT) has issued a new directive requiring major communication platforms, including WhatsApp, Telegram, and Signal, to implement a process known as SIM binding within the next 90 days. This new directive mandates that these apps must continuously verify the presence of the original, registered SIM card in the user’s device to remain functional.